LXR busybox/include/busybox.h

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   4 */
   5#ifndef BUSYBOX_H
   6#define BUSYBOX_H 1
   7
   8#include "libbb.h"
   9/* BB_DIR_foo and BB_SUID_bar constants: */
  10#include "applet_metadata.h"
  11
  12PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  13
  14/* Defined in appletlib.c (by including generated applet_tables.h) */
  15/* Keep in sync with applets/applet_tables.c! */
  16extern const char applet_names[];
  17extern int (*const applet_main[])(int argc, char **argv);
  18extern const uint16_t applet_nameofs[];
  19extern const uint8_t applet_install_loc[];
  20
  21#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
  22# define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
  23#else
  24# define APPLET_NAME(i) (applet_names + applet_nameofs[i])
  25#endif
  26
  27#if ENABLE_FEATURE_PREFER_APPLETS
  28# define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
  29# define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
  30#else
  31# define APPLET_IS_NOFORK(i) 0
  32# define APPLET_IS_NOEXEC(i) 0
  33#endif
  34
  35#if ENABLE_FEATURE_SUID
  36# define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
  37#endif
  38
  39#if ENABLE_FEATURE_INSTALLER
  40#define APPLET_INSTALL_LOC(i) ({ \
  41        unsigned v = (i); \
  42        if (v & 1) v = applet_install_loc[v/2] >> 4; \
  43        else v = applet_install_loc[v/2] & 0xf; \
  44        v; })
  45#endif
  46
  47
  48/* Length of these names has effect on size of libbusybox
  49 * and "individual" binaries. Keep them short.
  50 */
  51#if ENABLE_BUILD_LIBBUSYBOX
  52#if ENABLE_FEATURE_SHARED_BUSYBOX
  53int lbb_main(char **argv) EXTERNALLY_VISIBLE;
  54#else
  55int lbb_main(char **argv);
  56#endif
  57#endif
  58
  59POP_SAVED_FUNCTION_VISIBILITY
  60
  61#endif
  62